Index: external/rtaudio/RtAudio.cpp
--- external/rtaudio/RtAudio.cpp.orig
+++ external/rtaudio/RtAudio.cpp
@@ -8788,7 +8788,8 @@ static void *pulseaudio_callback( void * user )
   RtApiPulse *context = static_cast<RtApiPulse *>( cbi->object );
   volatile bool *isRunning = &cbi->isRunning;
   
-#ifdef SCHED_RR // Undefined with some OSes (e.g. NetBSD 1.6.x with GNU Pthread)
+// Undefined with some OSes (e.g. NetBSD 1.6.x with GNU Pthread)
+#if defined(SCHED_RR) && !defined(__OpenBSD__)
   if (cbi->doRealtime) {
     std::cerr << "RtAudio pulse: " << 
              (sched_getscheduler(0) == SCHED_RR ? "" : "_NOT_ ") << 
